<script setup lang="ts">
import { getHotRecommendAPI } from '@/services/hot'
import type { HotResult, SubTypeItem } from '@/types/hot'
import { onLoad } from '@dcloudio/uni-app'
import { ref } from 'vue'

// 热门推荐页 标题和url
const hotMap = [
  { type: '1', title: '特惠推荐', url: '/hot/preference' },
  { type: '2', title: '爆款推荐', url: '/hot/inVogue' },
  { type: '3', title: '一站买全', url: '/hot/oneStop' },
  { type: '4', title: '新鲜好物', url: '/hot/new' },
]

const bannerPicture = ref('')
const subItemInfos = ref<(SubTypeItem & {
  finish?: boolean
})[]>([])
const curretIndex = ref(0)

// 获取页面传递的参数
const queryType = defineProps<{
  type: String
}>()
// console.log(queryType)

// 找到相应模块的Url
const hostMap = hotMap.find((v) => {
  return v.type === queryType.type
})


// 动态设置标题
uni.setNavigationBarTitle({ title: hostMap!.title })

const hotResultList = ref<HotResult>()

// 获取数据
const getHotRecommend = async () => {
  const res = await getHotRecommendAPI(hostMap!.url, {
    page: import.meta.env.DEV ? 30 : 1,
    pageSize: 10
  })
  bannerPicture.value = res.result.bannerPicture
  subItemInfos.value = res.result.subTypes
}

const onScrolltolower = async () => {
  const currentSubItem = subItemInfos.value[curretIndex.value]
  if (currentSubItem.goodsItems.page < currentSubItem.goodsItems.pages) {
    currentSubItem.goodsItems.page++
  } else {
    currentSubItem.finish = true;
    return uni.showToast({
      icon: "none",
      title: "没有更多的数据拉~~"
    })
  }

  const subType = currentSubItem.id;
  const res = await getHotRecommendAPI(hostMap!.url, {
    subType: subType,
    page: currentSubItem.goodsItems.page,
    pageSize: currentSubItem.goodsItems.pageSize
  })
  const newSubItems = res.result.subTypes[curretIndex.value]
  currentSubItem.goodsItems.items.push(...newSubItems.goodsItems.items)
}


// 页面加载
onLoad(() => {
  getHotRecommend()
})


</script>

<template>
  <view class="viewport">
    <!-- 推荐封面图 -->
    <view class="cover">
      <image :src="bannerPicture">
      </image>
    </view>
    <!-- 推荐选项 -->
    <view class="tabs">
      <text v-for="(item, index) in subItemInfos" :key="item.id" class="text" :class="{ active: curretIndex === index }"
        @tap=" curretIndex = index">{{ item.title }}</text>
    </view>
    <!-- 推荐列表 -->
    <scroll-view scroll-y class="scroll-view" v-for="(item, index) in subItemInfos" :key="item.id"
      v-show="curretIndex === index" @scrolltolower="onScrolltolower">
      <view class="goods">
        <navigator hover-class="none" class="navigator" v-for="goods in item.goodsItems.items" :key="goods.id"
          :url="`/pages/goods/goods?id=${goods.id}`">
          <image class="thumb" :src="goods.picture">
          </image>
          <view class="name ellipsis">{{ goods.name }}</view>
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{ goods.price }}</text>
          </view>
        </navigator>
      </view>
      <view class="loading-text">{{ item.finish ? '没有更多数据啦~~' : '正在加载...' }}</view>
    </scroll-view>
  </view>
</template>

<style lang="scss">
page {
  height: 100%;
  background-color: #f4f4f4;
}

.viewport {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 180rpx 0 0;
  position: relative;
}

.cover {
  width: 750rpx;
  height: 225rpx;
  border-radius: 0 0 40rpx 40rpx;
  overflow: hidden;
  position: absolute;
  left: 0;
  top: 0;
}

.scroll-view {
  flex: 1;
}

.tabs {
  display: flex;
  justify-content: space-evenly;
  height: 100rpx;
  line-height: 90rpx;
  margin: 0 20rpx;
  font-size: 28rpx;
  border-radius: 10rpx;
  box-shadow: 0 4rpx 5rpx rgba(200, 200, 200, 0.3);
  color: #333;
  background-color: #fff;
  position: relative;
  z-index: 9;

  .text {
    margin: 0 20rpx;
    position: relative;
  }

  .active {
    &::after {
      content: '';
      width: 40rpx;
      height: 4rpx;
      transform: translate(-50%);
      background-color: #27ba9b;
      position: absolute;
      left: 50%;
      bottom: 24rpx;
    }
  }
}

.goods {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0 20rpx 20rpx;

  .navigator {
    width: 345rpx;
    padding: 20rpx;
    margin-top: 20rpx;
    border-radius: 10rpx;
    background-color: #fff;
  }

  .thumb {
    width: 305rpx;
    height: 305rpx;
  }

  .name {
    height: 88rpx;
    font-size: 26rpx;
  }

  .price {
    line-height: 1;
    color: #cf4444;
    font-size: 30rpx;
  }

  .symbol {
    font-size: 70%;
  }

  .decimal {
    font-size: 70%;
  }
}

.loading-text {
  text-align: center;
  font-size: 28rpx;
  color: #666;
  padding: 20rpx 0 50rpx;
}
</style>
